/Engine/Plugins/Experimental/Web/WebAPI/Source/WebAPIOpenAPI/Public/V2/WebAPISwaggerSchema.h
https://github.com/OAI/OpenAPI-Specification/blob/master/versions/2.0.md#itemsObject
class FItems
TOptional< bool...
bUniqueItems
TOptional<FStr...
CollectionFormat
TOptional<FStr...
Default
TOptional<TArr...
Enum
TOptional< floa...
ExclusiveMaximum
TOptional< floa...
ExclusiveMinimum
TOptional<FStr...
Format
TOptional<TSha...
Items
TOptional< floa...
Maximum
TOptional< int3...
MaxItems
TOptional< int3...
MaxLength
TOptional< floa...
Minimum
TOptional< int3...
MinItems
TOptional< int3...
MinLength
TOptional< int3...
MultipleOf
TOptional<FStr...
Pattern
FString
Type